list-keychains [-h] [-d user|system|common|dynamic] [-s [keychain...]]
Display or manipulate the keychain search list.
-d user|system|common|dynamic
Use the specified preference domain.
-s Set the search list to the specified keychains.
default-keychain [-h] [-d user|system|common|dynamic] [-s [keychain]]
Display or set the default keychain.
-d user|system|common|dynamic
Use the specified preference domain.
-s Set the default keychain to the specified keychain.
Unset it if no keychain is specified.
login-keychain [-h] [-d user|system|common|dynamic] [-s [keychain]]
Display or set the login keychain.
-d user|system|common|dynamic
Use the specified preference domain.
-s Set the login keychain to the specified keychain.
Unset it if no keychain is specified.
create-keychain [-hP] [-p password] [keychain...]
Create keychains and add them to the search list.
-P Prompt the user for a password using the SecurityAgent.
-p password Use password as the password for the keychains being created.
If neither -P or -p password are specified, the user is prompted for a password on the command
line.
delete-keychain [-h] [keychain...]
Delete keychains and remove them from the search list.

“Security is mostly a superstition. It does not exist in nature, nor do the children of men as a whole experience it. Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure, or nothing” ~ Helen Keller